| Presente (Present) "calculate" | I | calculate | |
| Presente continuo (Present Continuous) "calculate" | I | am calculating | |
| Pasado simple (Simple past) "calculate" | I | calculated | |
| Pasado continuo (Past Continuous) "calculate" | I | was calculating | |
| Presente perfecto (Present perfect) "calculate" | I | have calculated | |
| Presente perfecto continuo (Present perfect continuous) "calculate" | I | have been calculating | |
| Pasado perfecto (Past perfect) "calculate" | I | had calculated | |
| Pasado perfecto continuo (Past perfect continuous) "calculate" | I | had been calculating | |
| Futuro (Future) "calculate" | I | will calculate | |
| Futuro continuo (Future continuous) "calculate" | I | will be calculating | |
| Futuro perfecto (Future perfect) "calculate" | I | will have calculated | |
| Futuro perfecto continuo (Future perfect continuous) "calculate" | I | will have been calculating |